The extended support updates (ESU) on Windows 7 ends today. Interestingly and rather bizarrely, Microsoft enabled native UEFI and Secure Boot. However, the new feature support is not without flaws.
Kb5017361 RSS
Microsoft has released Patch Tuesday updates for Windows 8.1 (KB5017367) and Windows 7 (KB5017361). They each come with improvements as well as issues. Workarounds are given for the issues.